203423229 has 6 divisors (see below), whose sum is σ = 293833566. Its totient is φ = 135615480.

The previous prime is 203423221. The next prime is 203423237. The reversal of 203423229 is 922324302.

It is an interprime number because it is at equal distance from previous prime (203423221) and next prime (203423237).

It can be written as a sum of positive squares in only one way, i.e., 115025625 + 88397604 = 10725^2 + 9402^2 .

It is not a de Polignac number, because 203423229 - 2³ = 203423221 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203423221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11301282 + ... + 11301299.

It is an arithmetic number, because the mean of its divisors is an integer number (48972261).

Almost surely, 2^203423229 is an apocalyptic number.

It is an amenable number.

203423229 is a deficient number, since it is larger than the sum of its proper divisors (90410337).

203423229 is a wasteful number, since it uses less digits than its factorization.

203423229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22602587 (or 22602584 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 203423229 is about 14262.6515417015. The cubic root of 203423229 is about 588.1212178938.

The spelling of 203423229 in words is "two hundred three million, four hundred twenty-three thousand, two hundred twenty-nine".